html,
body {
    margin: 0;
    font-family: "Microsoft YaHei", sans-serif;
    background: #fafafa;
    color: #333
}

.box {
    width: 800px;
    margin: 20px auto;
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, .08)
}

/* 余额大数字 */
.balance {
    text-align: center;
    padding: 30px 0;
    border-bottom: 1px solid #e5e5e5
}

.balance .num {
    font-size: 48px;
    color: #ff6633;
    font-weight: bold
}

.balance .txt {
    font-size: 14px;
    color: #666;
    margin-top: 4px
}

/* 操作按钮 */
.actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin: 30px 0
}

.btn {
    padding: 10px 30px;
    border: 1px solid #ff6633;
    background: #fff;
    color: #ff6633;
    border-radius: 4px;
    cursor: pointer;
    font-size: 15px
}

.btn:hover {
    background: #ff6633;
    color: #fff
}

/* 历史记录 */
.history {
    margin-top: 30px
}

.history h3 {
    font-size: 16px;
    color: #ff6633;
    margin-bottom: 10px
}

.list {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid #e5e5e5;
    border-radius: 4px;
    padding: 10px;
    background: #fafafa
}

.item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px dashed #ccc;
    font-size: 14px
}

.item:last-child {
    border-bottom: none
}

.item .date {
    color: #666
}

.item .amt {
    color: #ff6633;
    font-weight: bold
}